Influenza Symptoms

Influenza (also known as the flu) is a contagious respiratory illness caused by flu viruses. It can cause mild to severe illness, and at times can lead to death. The flu is
different from a cold. The flu usually comes on suddenly.

Flu Symptoms Include:

Fever* or feeling feverish/chills

Cough

Sore throat

Runny or stuffy nose

Muscle or body aches

Headaches

Fatigue (tiredness)

Some people may have vomiting and diarrhea, though this is more common in children than adults.

* It's
important to note that not everyone with flu will have a fever.